chunkDataInfo

View hardware metadata configuration status

Since R2024a

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    Syntax

    chunkinfo = chunkDataInfo(src)

    Description

    chunkinfo = chunkDataInfo(src) returns a listing of available and enabled fields for video chunk data for the videosource object, src. To enable chunk data reading from the hardware, set src.ChunkModeActive = "True". You use src.ChunkSelector and src.ChunkEnable to configure individual fields of chunk data.

    Note

    This function supports only GenICam™ GenTL compliant hardware.

    example

    Examples

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    Configure a GenICam GenTL camera chunk data, then confirm by viewing the settings.

    vid = videoinput("gentl", 1);
vid.FramesPerTrigger = 10;
src = getselectedsource(vid);
src.ChunkModeActive = "True";
src.ChunkSelector = "Timestamp";
src.ChunkEnable = "True";
src.ChunkSelector = "Width";
src.ChunkEnable = "True";
chunkinfo = chunkDataInfo(src)
    chunkinfo =
 
  12×2 table
 
         ChunkData          Enabled
    ____________________    _______
 
    "FrameID"               "False"
    "LineStatusAll"         "False"
    "Timestamp"             "True" 
    "SequencerSetActive"    "False"
    "ExposureTime"          "False"
    "BalanceRatioBlue"      "False"
    "BalanceRatioRed"       "False"
    "Gain"                  "False"
    "Height"                "False"
    "Width"                 "True" 
    "OffsetX"               "False"
    "OffsetY"               "False"

    Input Arguments

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    Video source, specified as a videosource object. You create this object with the getselectedsource function.

    Data Types: object

    Output Arguments

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    Chunk data configuration status, returned as a 2-column table. The columns indicate the available chunk data elements, and whether reading of each is enabled.

    Version History

    Introduced in R2024a

    See Also

    Functions

    Topics